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SC - Sound through water

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conlisk
 Post subject: SC - Sound through water
 Post Posted: Sat Jul 09, 2011 7:15 pm 
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Course Students


Posts: 3
This is question #108 in the Verbal Review 2nd Edition:

Sound can travel through water for enormous distances,
prevented from dissipating its acoustic energy as a result of
boundaries in the ocean created by water layers of different
temperatures and densities.

(A) prevented from dissipating its acoustic energy as a
result of
(B) prevented from having its acoustic energy dissipated by
(C) its acoustic energy prevented from dissipating by
(D) its acoustic energy prevented from being dissipated as
a result of
(E) preventing its acoustic energy from dissipating by


I understand the theory of the sentence - that the boundaries in the water prevent the acoustic energy in sound from dissipating - but, I just don't understand what is grammatically wrong with choice A relative to choice C (the correct answer). If somebody knows why, please enlighten me.
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george.kourdin
 Post subject: Re: SC - Sound through water
 Post Posted: Mon Jul 11, 2011 10:59 am 
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Posts: 98
think its 2 things:

1) choice A modifies distances, which makes no sense in the cotnext of the whole sentence
2) energy dissipating <as a result of boundaries> is an awkward/impromer cosntruction
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conlisk
 Post subject: Re: SC - Sound through water
 Post Posted: Mon Jul 11, 2011 11:34 pm 
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Course Students


Posts: 3
In the correct answer choice C, does having a comma followed by "its" not create a sentence fragment?
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timiller
 Post subject: Re: SC - Sound through water
 Post Posted: Tue Jul 12, 2011 12:48 am 
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Posts: 1
This problem is easy.
But one point I wanted you guys to be aware of. Shawn Berry's GMAT preparation is no good. A friend of mine could not improve his score countless times after taking a class with him and had to give up..... I really would not want you to be done in by these less than honest approaches.
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